Home / 831,082,830.80-1,246,624,246.20-809,849,166.80

Finding the Fourth Proportional to 831,082,830.80, 1,246,624,246.20 and 809,849,166.80

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Solution

The fourth proportional to 831,082,830.80, 1,246,624,246.20 and 809,849,166.80 is: 1,214,773,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,082,830.80 : 1,246,624,246.20 = 809,849,166.80 : x
  2. Step 2: Convert to fraction form
    831,082,830.80/1,246,624,246.20 = 809,849,166.80/x
  3. Step 3: Cross multiply
    831,082,830.80x = 1,246,624,246.20 × 809,849,166.80
  4. Step 4: Simplify right side
    831,082,830.80x = 1,009,577,607,097,748,096
  5. Step 5: Solve for x
    x = 1,009,577,607,097,748,096/831,082,830.80
  6. Step 6: Final answer
    x = 1,214,773,750.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.